<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
</head>

<body>
  <h1>cors跨域</h1>
  <button id="btn">点击发送请求</button>
  <script>
    // 创建axios实例
    const myAxios = axios.create({
      baseURL: 'http://127.0.0.1:8080',
      timeout: 10000,
      headers: {
        token: 'aosjbdasnodasnlaslkfaasfsf'
      }
    })

    // 设置请求拦截器
    myAxios.interceptors.request.use(config => {
      return config
    }, error => {
      return Promise.reject(error.message)
    })

    // 设置响应拦截器
    myAxios.interceptors.response.use(response => {
      // 对响应的数据进行处理,失败的返回失败信息msg交给异常处理,成功的直接返回
      if (response.data.code !== 10000) {
        return response.data.msg
      }
      return response.data.data
    }, error => {
      return Promise.reject(error.message)
    })

    const obtn = document.getElementById('btn')

    obtn.onclick = async function () {
      try {
        const re = await myAxios.get('http://127.0.0.1:8080/info', {
          params: {
            userId: '001'
          }
        })
        console.log(re);
      } catch (e) {
        console.log(e.message);
      }
    }
  </script>
</body>

</html>